FNUS76 KPDT 081758
FWSPDT

SPOT FORECAST FOR VANSYCLE CANYON FIRE...WALLA WALLA COUNTY EMERGENCY COORDINATION CENTER
NATIONAL WEATHER SERVICE PENDLETON OR
1058 AM PDT MON AUG 8 2011

FORECAST IS BASED ON REQUEST TIME OF 1024 PDT ON AUGUST 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...BREEZY WINDS WITH A PARTICULARLY GUSTY PERIOD THIS EVENING...

.DISCUSSION...VERY DRY AND BREEZY TODAY WITH WINDS PREDOMINANTLY
FROM THE SOUTHWEST ACROSS THE RIDGES. CAUTION FOR LESS SIDE EDDIES
RESULTING IN ERRATIC WINDS. RIDGETOP WINDS WILL INCREASE THROUGH THE
EVENING WITH A PEAK EXPECTED SOMEWHERE AROUND 2200 HOURS. MODERATE
HUMIDITY RECOVERY AT BEST WITH VALUES CROSSING 50 PERCENT ONLY AFTER
0200 TONIGHT. SIMILAR CONDITIONS EXPECTED TUESDAY AND TUESDAY NIGHT.

***NOTE: WE DO NOT HAVE A GOOD FEEL FOR WINDS ON THIS SIDE OF THE
RIDGE SO ON-SITE OBSERVATIONS WOULD REALLY BE APPRECIATED.

***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES***
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***
***FORECAST IS VALID FOR 12 HOURS AFTER ISSUANCE***

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0.
MAX TEMPERATURE.....90.
MIN HUMIDITY........17 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH WITH GUSTS UP TO 20
                    MPH.
RIDGETOP WIND.......SOUTHWEST 6 TO 12 MPH.
MIXING HEIGHT.......6500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 9 MPH.
LAL.................1.
HAINES INDEX........4 (LOW).

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0.
MIN TEMPERATURE.....58.
MAX HUMIDITY........66 PERCENT...OCCURRING LATE OVERNIGHT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 12 MPH...EXCEPT 10 TO 15
                    MPH WITH GUSTS UP TO 30 MPH BETWEEN 2000 AND
                    0400.
RIDGETOP WIND.......SOUTHWEST 8 TO 12 MPH INCREASING TO 15 TO 20 MPH
                    AROUND 2000 DECREASING TO 6 TO 12 MPH LATE
                    OVERNIGHT.
MIXING HEIGHT.......6500 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH INCREASING TO 17 MPH IN
THE LATE EVENING AND OVERNIGHT.
LAL.................1.
HAINES INDEX........3 (VERY LOW).

.TUESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0.
MAX TEMPERATURE.....87.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 INCREASING TO 8 TO 14 MPH
                    WITH GUSTS UP TO 30 MPH IN THE EARLY EVENING.
RIDGETOP WIND.......SOUTHWEST 10 TO 15 MPH INCREASING TO  15 TO 20
                    MPH IN THE MID-EVENING.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 7000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10 TO 13 MPH.
LAL.................1.
HAINES INDEX........4 (LOW).

$$
FORECASTER...JON BONK
REQUESTED BY...LIZ JESSEE
TYPE OF REQUEST...WILDFIRE
.TAG 20110808.VANSY.01/PDT